<script setup lang="ts"></script>

<template>
    <div class="container_404">
        <nav class="shelf">
            <a class="book home-page" href="/">Home page</a>
            <a class="book about-us">About us</a>
            <a class="book contact">Contact</a>
            <a class="book faq">F.A.Q.</a>

            <span class="book not-found"></span>

            <span class="door left"></span>
            <span class="door right"></span>
        </nav>
        <h1>Error 404</h1>
        <p>哎呀，页面不见了</p>
    </div>
</template>

<style scoped lang="scss">
.container_404 {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100vh;
}

.container_404 {
    padding: 2rem;
    margin: 0;
    overflow: hidden;
    font-family: monospace;
    color: white;
    background-color: #446072;
}

h1 {
    margin-top: 2rem;
    text-align: center;
}

h1 + p {
    text-align: center;
}

.shelf {
    position: relative;
    width: 30rem;
    height: 14rem;
    margin: 0 auto;
    background-color: rgb(255 255 255 / 10%);
    border: 0.5rem solid #374d5b;
    border-radius: 0.5rem;
    box-shadow: inset 0 0 2rem rgb(0 0 0 / 20%);
    perspective: 130rem;
}

.door {
    position: absolute;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    width: 14.8rem;
    height: 14rem;
    padding: 1rem;
    background-color: #374d5b;
    outline: 1px solid transparent;
    box-shadow: 0 1px 1px rgb(0 0 0 / 30%);

    &::before {
        width: 1.5rem;
        height: 1.5rem;
        content: '';
        background-color: rgb(0 0 0 / 10%);
        border-radius: 50%;
    }

    &.left {
        justify-content: flex-end;
        border-radius: 0 0.75rem 0.75rem 0;
        transform-origin: 0 0 0;
        animation:
            left-door-open 3.5s ease-out forwards 1s,
            left-door-flap 15s linear infinite forwards 9s;
    }

    &.right {
        right: 0;
        border-radius: 0.75rem 0 0 0.75rem;
        transform-origin: 100% 0 0;
        animation:
            right-door-open 3s ease-out forwards 1.5s,
            right-door-flap 10s linear infinite forwards 8s;
    }
}

.book {
    position: absolute;
    box-sizing: border-box;
    padding: 0.8rem 4rem 0.8rem 2rem;
    font-size: 1rem;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
    cursor: pointer;
    background-color: rgb(255 255 255 / 10%);
    border-radius: 0.25rem;
    box-shadow: inset 0 0 0.75rem rgb(255 255 255 / 10%);

    &.home-page {
        transform: rotate(-90deg) translate(-12.4rem, 3rem);
        transform-origin: 0;
    }

    &.about-us {
        outline: 1px solid transparent;
        transform: rotate(-100deg) translate(-13.4rem, 6.1rem);
        transform-origin: 0;
    }

    &.contact {
        right: 2rem;
        bottom: 0.2rem;
        border-radius: 0.3rem 0 0 0.3rem;
    }

    &.faq {
        right: 0.8rem;
        bottom: 3.3rem;
        border-radius: 0.3rem 0 0 0.3rem;
    }

    &.not-found {
        width: 12rem;
        height: 3.5rem;
        cursor: default;
        background-color: transparent;
        border: 1px dashed rgb(255 255 255 / 30%);
        transform: rotate(-90deg) translate(-12rem, 13rem) scale(1);
        transform-origin: 0;
        animation: book-fade-out 1s 3s infinite forwards;

        &::after {
            display: block;
            width: 10rem;
            padding-left: 5rem;
            font-family: 'Dancing Script';
            font-size: 25px;
            text-transform: lowercase;
            content: "this page can't be found";
            background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='80' height='30'><path fill='rgb(255, 255, 255)' d='M7.688,3.737C6.1,10.409,4.624,16.982,2.475,23.517c-0.424,1.29,0.724,2.338,1.957,1.916 c5.879-2.021,11.743-4.107,17.409-6.696c1.246-0.572,0.443-2.366-0.815-1.932c-3.856,1.333-7.695,2.69-11.565,3.959 c2.879-2.526,5.485-5.215,9.013-7.17c4.441-2.459,9.299-4.109,14.281-4.915c10.903-1.772,22.052,0.562,31.979,5.04 c9.241,4.162,12.895,8.725,13.164,4.942c0.121-1.69-5.57-4.953-14.125-8.714C53.19,5.292,41.094,3.539,29.636,6.058 c-7.122,1.567-16.708,5.374-22.064,11.544c1.359-4.455,2.461-9.028,3.032-13.563C10.852,2.091,8.12,1.927,7.688,3.737z'/></svg>");
            background-repeat: no-repeat;
            background-position: left center;
            background-size: 4rem;
            opacity: 0.3;
            transform: rotate(90deg) translate(6rem, -1rem);
        }
    }

    &:hover:not(.not-found) {
        background-color: rgb(255 255 255 / 20%);
    }
}
@keyframes left-door-open {
    60% {
        transform: rotateY(-115deg);
    }

    100% {
        transform: rotateY(-110deg);
    }
}
@keyframes right-door-open {
    60% {
        transform: rotateY(125deg);
    }

    100% {
        transform: rotateY(120deg);
    }
}
@keyframes right-door-flap {
    0% {
        transform: rotateY(120deg);
    }

    5% {
        transform: rotateY(125deg);
    }

    15% {
        transform: rotateY(117deg);
    }

    25% {
        transform: rotateY(123deg);
    }

    30% {
        transform: rotateY(120deg);
    }

    100% {
        transform: rotateY(120deg);
    }
}
@keyframes left-door-flap {
    0% {
        transform: rotateY(-110deg);
    }

    5% {
        transform: rotateY(-115deg);
    }

    15% {
        transform: rotateY(-107deg);
    }

    25% {
        transform: rotateY(-113deg);
    }

    30% {
        transform: rotateY(-110deg);
    }

    100% {
        transform: rotateY(-110deg);
    }
}
@keyframes book-fade-out {
    50% {
        border: 1px dashed rgb(255 255 255 / 10%);
    }
}
</style>
